Density Cube Set, 6 Metals, 20mm Material_Wood this metal helix lets stairwell-scale

this metal helix lets stairwell-scale wave-propagation experiments amplify the visibility of standing waves

Hand-painted 4-part human brain model separates into cortical hemispheres and brain-stem regions for lobed-anatomy teaching at introductory biology levels

Slotted with a central well on each glass

supporting dental hygiene and pathology teaching

Research-grade oxygen spectrum tube at 26cm with a 10cm central capillary

Density Cube Set, 6 Metals, 20mm Material_Wood this metal helix lets stairwell-scaleStamped with element symbols for quick identification, this six metal density cube set of brass, lead, iron, copper, aluminum, and zinc supports density and specific heat work.